There are total 18 hours or 1080 minutes from 7am to 1am. In words, this duration is equal to eighteen hours or one thousand eighty minutes.
How many hours from
| 12PM to 1AM | 1AM to 3PM | 12AM to 6PM |
| 12PM to 8AM | 5PM to 10PM | 7AM to 3PM |
| 7PM to 2PM | 9PM to 4PM | 9PM to 3PM |
| 11PM to 1PM | 11PM to 8AM | 2AM to 11PM |
| 6AM to 5AM | 9AM to 5PM | 11PM to 2AM |
| 1AM to 9PM | 12AM to 5AM | 4PM to 8PM |
